Thesis (M.A.)--York University, 2006. Graduate Programme in Psychology. / Typescript. Includes bibliographical references (leaves 51-63). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:MR19643

Thesis (M.Sc.(Hons))--University of Wollongong, 2002. / Typescript. Bibliographical references: leaf 102-112.

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Energy cost of walking at any given speed is higher for heavier people than for lighter ones. We compared adolescents that were matched for total body mass but had different body composition. Nine pairs of boys (16.37 ± 1.57 years in the lean group and 12.90 ± 1.49 years in the obese group) participated. Metabolic energy expenditure (EE) was compared at three walking speeds and moments and powers at the hip and ankle at push off were analyzed. Assessment of fat mass and distribution was performed using whole body dualenergy x-ray absorptiometry. A repeated measure ANOVA was performed when matched pairs were compared. Based on multiple regression, pooling all subjects together, body mass was the main predictor of EE. Variance explained by adiposity increased with increasing speed. Obese subjects tended to expend more energy than their lean pairs at the two fastest walking speeds (5 and 6kph). There was a significant difference between the pairs in EE (kJ/min) at 6kph (p<0.05). Ventilation showed the same pattern as V02net (exercise V02 minus resting V02), increasing with increasing speed and showing differences between the pairs at the fastest speed. Heart rate was consistently higher in the obese subjects. Stride length, stride rate, progression velocity and moments and powers at the hip and ankle at push off were not correlated with body fat. No relationship between V02net. total amount of body fat, or segment fat content was found. Total amount of fat in the body and the amount of fat in the legs had no influence on gait parameters. In conclusion, excess body fat does not influence the energy cost of walking at low speeds but does so at 6kph. Obese subjects demonstrated higher effort at all speeds. Amount of fat distributed in body segments does not influence either energy cost of walking or mechanical gait parameters. / Thesis / Master of Science (MSc)

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Orientador: Maria da Consolação Gomes Cunha Fernandes Tavares / Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Educação Fisica / Made available in DSpace on 2018-08-14T18:38:17Z (GMT). No. of bitstreams: 1 Ribeiro_PatriciaRussoLeite_M.pdf: 1049259 bytes, checksum: 3df71eea739f714d6a0e6fd0c4363834 (MD5) Previous issue date: 2009 / Resumo: Seymour Fisher, psicólogo norte americano, foi um pesquisador que durante trinta anos estudou a imagem corporal sob a perspectiva psicodinâmica. Também investigou temas como a sexualidade feminina, drogas psicoativas, placebos, teoria freudiana, entre outros. Com a exceção de O orgasmo da mulher (1973), nenhum outro livro de Fisher foi traduzido para a língua portuguesa. Foi verificado, através de buscas em bancos de dados, que na Educação Física brasileira não existe nenhuma tese nem dissertação que se refira aos achados científicos de Fisher. A falta de difusão de suas idéias pode levar não só à repetição como também à realização de pesquisas que não consideram sua teoria para uma melhor compreensão do fenômeno da imagem corporal. O objetivo desta pesquisa foi sistematizar os conhecimentos produzidos por Fisher, através de uma pesquisa bibliográfica. O levantamento bibliográfico foi feito nas bases de dados MedLine/PubMed, PsycInfo, Bireme, Scopus, Acervus, Dedalus, Athena e Google. Foram encontrados 17 livros e 209 artigos publicados por Fisher e colaboradores, bem como documentos que traziam informações da vida e da obra do autor. A partir da leitura de suas publicações sobre imagem corporal, verificou-se que suas principais contribuições teóricas foram os conceitos desenvolvidos sobre a percepção corporal e casos específicos de distorção da percepção corporal, as fronteiras corporais e a sua função de defesa, a consciência geral que o indivíduo possui sobre seu próprio corpo e a atribuição de significados a partes específicas do corpo. Fisher buscou em suas pesquisas compreender de que forma a imagem corporal interfere no comportamento humano e como o comportamento e as experiências corporais modelam a imagem corporal do indivíduo. Tratou, especialmente, das dimensões percepção corporal, fronteiras corporais e consciência corporal e as correlacionou com processos de adaptação, satisfação/insatisfação com o próprio corpo, ansiedade corporal e mecanismos de defesa, ao mesmo tempo em que considerou o papel da personalidade e da cultura na interface destas relações. Desta forma, seu intuito foi detalhar pormenorizar o complexo fenômeno da experiência corporal. O presente estudo traz contribuições importantes para o desenvolvimento das pesquisas em imagem corporal no Brasil. / Abstract: Seymour Fisher, a north-American psychologist, was a researcher that during thirty years studied body image by a psychodynamic perspective. Either investigated themes like female sexuality, drugs, placebo and Freudian theory. With the exception of his "The female orgasm", anymore books was translated to Portuguese. It was verified through data bases that in the Brazilian Physical Education, there is no these neither dissertation that refers to Fisher's findings. This failure can cause the repetition of the same research that he had realized and the development of new research that will not consider his ideas. The aim of this dissertation was to systematize the Fisher's knowledge throughout bibliographical research. The following data bases were accessed: MedLine/PubMed, PsycInfo, Bireme, Scopus, Acervus, Dedalus, Athena e Google. It was found 17 books and 209 article published by Fisher e collaborators. Also, it was found other documents that brought information about his life and carrier. The reading of their body image publications could present the concepts that he developed concerning body perception and specifics cases of distortions in body perception, body boundary and its defense function, general body awareness that one have about he own body and assignment of meaning to specific body areas. Fisher studied the way the body image interferes in the human behavior and the way the behavior and the body experience shape the body image. He treated, specifically, the body perception, the body boundaries and the body awareness dimensions. Then he correlated these dimensions with the processes of adaptation, satisfaction/dissatisfaction with own body, body anxiety and defense mechanisms, in the same way that considered the role placed by the personality and the culture in the interface of this relationship. Thus, his intent was to detail the complex phenomenon that is the body experience. The present work brings relevant and important contributions for the Brazilian body image researchers. / Mestrado / Atividade Fisica Adaptada / Mestre em Educação Física

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Title from title page of PDF (University of Missouri--St. Louis, viewed February 8, 2010). Includes bibliographical references (p. 69-73).

Thesis (Ph.D.)--University of Wollongong, 2006. / Typescript. Includes bibliographical references: leaf 92-102.